document.write( "Question 183465: (x - 3)^2 + (x + 2)^2 = 17\r
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Algebra.Com's Answer #137729 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%28x+-+3%29%5E2+%2B+%28x+%2B+2%29%5E2+=+17\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-6x%2B9%2Bx%5E2%2B4x%2B4+=+17\" FOIL\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-6x%2B9%2Bx%5E2%2B4x%2B4+-+17=0\" Subtract 17 from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2-2x-4=0\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "Notice we have a quadratic equation in the form of \"ax%5E2%2Bbx%2Bc\" where \"a=2\", \"b=-2\", and \"c=-4\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4ac+%29%29%2F%282a%29\" Start with the quadratic formula\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%28-2%29+%2B-+sqrt%28+%28-2%29%5E2-4%282%29%28-4%29+%29%29%2F%282%282%29%29\" Plug in \"a=2\", \"b=-2\", and \"c=-4\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+%28-2%29%5E2-4%282%29%28-4%29+%29%29%2F%282%282%29%29\" Negate \"-2\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+4-4%282%29%28-4%29+%29%29%2F%282%282%29%29\" Square \"-2\" to get \"4\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+4--32+%29%29%2F%282%282%29%29\" Multiply \"4%282%29%28-4%29\" to get \"-32\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+4%2B32+%29%29%2F%282%282%29%29\" Rewrite \"sqrt%284--32%29\" as \"sqrt%284%2B32%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+36+%29%29%2F%282%282%29%29\" Add \"4\" to \"32\" to get \"36\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+sqrt%28+36+%29%29%2F%284%29\" Multiply \"2\" and \"2\" to get \"4\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B-+6%29%2F%284%29\" Take the square root of \"36\" to get \"6\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%282+%2B+6%29%2F%284%29\" or \"x+=+%282+-+6%29%2F%284%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288%29%2F%284%29\" or \"x+=++%28-4%29%2F%284%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+2\" or \"x+=+-1\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the answers are \"x+=+2\" or \"x+=+-1\"
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